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$407+ Cheap flights from Oakland, CA (OAK) to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BCN
Apr 30 — May 71
Thu 4/30
Thu 5/7
1 adult, Economy
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Cheap flight deals from Oakland to Barcelona

Cheapest flights from Oakland to Barcelona
Explore the most affordable flight options available from Oakland to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2026.

This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:55 am
OAK
-
BCN
2 stops20h 40m
Multiple Airlines
Tue 10/610:45 am
BCN
-
OAK
2 stops20h 53m
Multiple Airlines
Deal found 3/31$708
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:55 am
OAK
-
BCN
2 stops21h 55m
Delta
Wed 4/1511:00 am
BCN
-
OAK
2 stops21h 54m
Delta
Deal found 3/27$731
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:55 am
OAK
-
BCN
2 stops21h 55m
Delta
Tue 4/1411:10 am
BCN
-
OAK
2 stops38h 14m
Delta
Deal found 3/27$735
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:49 pm
OAK
-
BCN
2 stops54h 56m
Delta
Mon 4/201:25 pm
BCN
-
OAK
2 stops35h 59m
Delta
Deal found 3/30$745
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:49 pm
OAK
-
BCN
2 stops54h 56m
Delta
Sun 4/191:25 pm
BCN
-
OAK
2 stops35h 59m
Delta
Deal found 3/30$795
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:55 am
OAK
-
BCN
2 stops17h 40m
Delta
Thu 9/1711:00 am
BCN
-
OAK
2 stops34h 24m
Delta
Deal found 3/27$808
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:55 am
OAK
-
BCN
2 stops24h 40m
Delta
Thu 5/1411:00 am
BCN
-
OAK
2 stops21h 57m
Delta
Deal found 3/28$812
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:55 am
OAK
-
BCN
2 stops43h 20m
Delta
Thu 5/141:25 pm
BCN
-
OAK
2 stops43h 32m
Delta
Deal found 3/28$816
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:55 am
OAK
-
BCN
2 stops45h 55m
Delta
Wed 5/131:20 pm
BCN
-
OAK
2 stops19h 37m
Delta
Deal found 3/28$818
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:05 pm
OAK
-
BCN
2 stops34h 45m
Delta
Wed 8/196:10 am
BCN
-
OAK
2 stops26h 39m
Delta
Deal found 3/29$819
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:05 pm
OAK
-
BCN
2 stops30h 30m
Delta
Thu 9/1711:00 am
BCN
-
OAK
2 stops34h 24m
Delta
Deal found 3/27$820
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:30 pm
OAK
-
BCN
2 stops58h 20m
Delta
Tue 8/189:20 am
BCN
-
OAK
2 stops47h 29m
Delta
Deal found 3/30$823

Find flight deals from Oakland to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 31, 2026.

Round-trip from

$808
(Delta)

One-way from

$407
(oojo)

Popular in

June

Cheapest in

January

Average price

$607
From Oakland to Barcelona
Search Deals
One-way flight from Oakland to Barcelona
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2026.
Use the filters below to find and compare flights from Oakland to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 9/6

5:55 am-8:35 am

2 stops17h 40m

Barcelona-El Prat

Wed 9/16

11:00 am-11:49 pm

2 stops21h 49m

$808

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 8/1

5:30 pm-12:50 pm

2 stops34h 20m

Barcelona-El Prat

Mon 8/17

12:20 pm-11:49 pm

2 stops44h 29m

$908

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 8/1

5:30 pm-12:50 pm

2 stops34h 20m

Barcelona-El Prat

Fri 8/14

1:20 pm-11:49 pm

2 stops19h 29m

$963

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 9/6

5:55 am-8:35 am

2 stops17h 40m

Barcelona-El Prat

Tue 9/15

11:00 am-11:49 pm

2 stops21h 49m

$975

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 4/12

5:55 am-6:50 pm

2 stops27h 55m

Barcelona-El Prat

Tue 4/28

6:20 am-11:54 pm

2 stops26h 34m

$1,011

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 8/7

5:03 pm-12:50 pm

2 stops58h 47m

Barcelona-El Prat

Mon 8/17

11:00 am-11:49 pm

2 stops21h 49m

$1,043

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 7/12

6:00 am-8:35 am

2 stops17h 35m

Barcelona-El Prat

Fri 8/7

3:15 pm-9:39 pm

2 stops39h 24m

$1,048

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 4/12

7:00 am-6:25 pm

2 stops26h 25m

Barcelona-El Prat

Tue 4/28

7:40 am-10:32 pm

2 stops23h 52m

$1,049

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 7/11

5:30 pm-2:50 pm

2 stops36h 20m

Barcelona-El Prat

Fri 8/7

3:15 pm-4:22 pm

2 stops34h 07m

$1,058

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 6/26

5:03 pm-11:10 am

2 stops33h 07m

Barcelona-El Prat

Thu 7/9

3:15 pm-4:22 pm

2 stops34h 07m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Oakland to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Oakland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oakland to Barcelona

What is the cheapest month to book a flight from Oakland, California to Barcelona?

Currently, April is the cheapest month in which you can book a flight from Oakland, California to Barcelona (average of $371). Flying from Oakland, California to Barcelona in June is currently the most expensive (average of $700). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Oakland to Barcelona?

    Oakland (OAK), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Oakland to Barcelona. 0 airlines have flights from Oakland to Barcelona on a regular basis. Booking flights from Oakland to Barcelona should not be difficult; the airport handles an average of 0 outbound flights to Barcelona per day.

  • How long is the flight from Oakland, California to Barcelona?

    Airlines like Delta fly from Oakland, California to Barcelona in about 17h 40m. The time it takes to get you to your destination can typically vary by up to . The distance between Oakland, California and Barcelona is about 5942 mi.

  • Can I find deals for flights from Oakland to Barcelona that include hotel bookings?

    Yes. In addition to deals on Oakland to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Barcelona.

  • Can I find deals for business class flights from Oakland to Barcelona?

    Yes. Cheapflights offers flight deals from Oakland to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oakland, California to Barcelona?

    Currently, April is the cheapest month in which you can book a flight from Oakland, California to Barcelona (average of $371). Flying from Oakland, California to Barcelona in June is currently the most expensive (average of $700). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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